“troy system”的概念、定义、翻译、参考文献-科学参考

单词	troy system
释义	troy system [`trȯi ´sis·tǝm] ^MECHANICS A system of mass units used primarily to measure gold and silver; the ounce is the same as that in the apothecaries' system, being equal to 480 grains or 31.1034768 grams. Abbreviated t. Also known as troy weight.
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